Ice King is the main antagonist of Adventure Time, where he rules/resides over the the Ice Kingdom.
Ice King is an evil, senile old man who tends to kidnap princess. Even though he is shown to be evil he is actually shown to just be lonely and tries to have friends in misquided attempts, such as putting his foot in eggs so Finn and Jake can be apart of him. But he wasen't always like this, he was actually a human named Simon Petrikov who bough the crown and slowly started to lose his grip on reality and lose is sanity weether he is wearing his crown or not.
Ice King has light blue skin a pointy nose, and long white hair with a long white beard that gives him the ability to fly, and wears a long dark blue tunic. He is actually skinny not fat.